Vicenna U, or Compound Vitamin U Tablets, works to neutralize stomach acid, etc. Side effects are constipation, etc. and should be used as directed by a doctor. Compound Vitamin U Tablet is composed of vitamin U, aluminum hydroxide gel, biological amylase, magnesium hydroxide. It has the effect of neutralizing gastric acid, protecting and repairing gastric mucosa, and slowing down diarrhea. This product can treat hyperacidity, chest tightness, stomach discomfort, heartburn, bloating, stomach fullness, burping, belching (hiccups), nausea, excessive drinking, stomach pain, lack of appetite, and indigestion. Compound Vitamin U Tablet may cause adverse reactions of constipation or diarrhea. It is contraindicated for those who are allergic to the product. The drug is not suitable for children. It is not advisable to take this product in large doses for a long period of time. The drug should be used reasonably under the guidance of a doctor.